New Insight on Biological Interaction Analysis: New Nanocrystalline Mixed Metal Oxide SPME Fiber for GC-FID Analysis of BTEX and Its Application in Human Hemoglobin-Benzene Interaction Studies
Identifieur interne : 000016 ( Main/Exploration ); précédent : 000015; suivant : 000017New Insight on Biological Interaction Analysis: New Nanocrystalline Mixed Metal Oxide SPME Fiber for GC-FID Analysis of BTEX and Its Application in Human Hemoglobin-Benzene Interaction Studies
Auteurs : Reza Hosseinzadeh [Iran] ; Ali Akbar Moosavi Movahedi [Iran] ; Hedayatollah Ghourchian [Iran]Source :
- PLoS ONE [ 1932-6203 ] ; 2014.
Abstract
Nanocrystalline mixed metal oxides (MMO) of various metal cations were synthesized and were used for coating a piece of copper wire as a new high sensitive solid phase micro extraction (SPME) fiber in extraction and determination of BTEX compounds from the headspace of aqueous samples prior to GC-FID analysis. Under optimum extraction conditions, the proposed fiber exhibited low detection limits, and quantification limits, good reproducibility, simple and fast preparation method, high fiber capacity and high thermal and mechanical durability. These are some of the most important advantages of the new fiber. The proposed fiber was used for human hemoglobin upon interaction with benzene. Binding isotherm, Scatchard and Klotz logarithmic plots were constructed using HS-SPME-GC data, accurately. The obtained binding isotherm analyzed using Hill method. The Hill parameters have been obtained by calculating saturation parameter from the ratio of measured chromatographic peak areas in the presence and absence of hemoglobin. In this interaction, Hill coefficient and Hill constant determined as (nH = 6.14 and log KH = 6.47) respectively. These results reveal the cooperativity of hemoglobin upon interaction with benzene.
Url:
DOI: 10.1371/journal.pone.0102992
PubMed: 25068260
PubMed Central: 4113373
Affiliations:
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Mixed Metal Oxide SPME Fiber for GC-FID Analysis of BTEX and Its Application in Human Hemoglobin-Benzene Interaction Studies</title><author><name sortKey="Hosseinzadeh, Reza" sort="Hosseinzadeh, Reza" uniqKey="Hosseinzadeh R" first="Reza" last="Hosseinzadeh">Reza Hosseinzadeh</name><affiliation wicri:level="1"><nlm:aff id="aff1"><addr-line>Institute of Biochemistry & Biophysics (IBB), University of Tehran, Tehran, Iran</addr-line></nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Institute of Biochemistry & Biophysics (IBB), University of Tehran, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2"><addr-line>Chromatography Research Group, Academic Center for Education, Culture and Research (ACECR), Urmia Branch, University of Urmia, Urmia, Iran</addr-line></nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Chromatography Research Group, Academic Center for Education, Culture and Research (ACECR), Urmia Branch, University of Urmia, Urmia</wicri:regionArea><wicri:noRegion>Urmia</wicri:noRegion></affiliation></author><author><name sortKey="Moosavi Movahedi, Ali Akbar" sort="Moosavi Movahedi, Ali Akbar" uniqKey="Moosavi Movahedi A" first="Ali Akbar" last="Moosavi Movahedi">Ali Akbar Moosavi Movahedi</name><affiliation wicri:level="1"><nlm:aff id="aff1"><addr-line>Institute of Biochemistry & Biophysics (IBB), University of Tehran, Tehran, Iran</addr-line></nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Institute of Biochemistry & Biophysics (IBB), University of Tehran, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="aff3"><addr-line>Center of Excellence in Biothermodymanics, University of Tehran, Tehran, Iran</addr-line></nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Center of Excellence in Biothermodymanics, University of Tehran, 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synthesized and were used for coating a piece of copper wire as a new high sensitive solid phase micro extraction (SPME) fiber in extraction and determination of BTEX compounds from the headspace of aqueous samples prior to GC-FID analysis. Under optimum extraction conditions, the proposed fiber exhibited low detection limits, and quantification limits, good reproducibility, simple and fast preparation method, high fiber capacity and high thermal and mechanical durability. These are some of the most important advantages of the new fiber. The proposed fiber was used for human hemoglobin upon interaction with benzene. Binding isotherm, Scatchard and Klotz logarithmic plots were constructed using HS-SPME-GC data, accurately. The obtained binding isotherm analyzed using Hill method. The Hill parameters have been obtained by calculating saturation parameter from the ratio of measured chromatographic peak areas in the presence and absence of hemoglobin. In this interaction, Hill coefficient and Hill constant determined as (n<sub>H</sub> = 6.14 and log K<sub>H</sub> = 6.47) respectively. 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Bordbar</name></author><author><name sortKey="Matin, Aa" uniqKey="Matin A">AA Matin</name></author><author><name sortKey="Maleki, R" uniqKey="Maleki R">R Maleki</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Hill, Av" uniqKey="Hill A">AV Hill</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Hosseinzadeh, Reza" sort="Hosseinzadeh, Reza" uniqKey="Hosseinzadeh R" first="Reza" last="Hosseinzadeh">Reza Hosseinzadeh</name></noRegion><name sortKey="Ghourchian, Hedayatollah" sort="Ghourchian, Hedayatollah" uniqKey="Ghourchian H" first="Hedayatollah" last="Ghourchian">Hedayatollah Ghourchian</name><name sortKey="Hosseinzadeh, Reza" sort="Hosseinzadeh, Reza" uniqKey="Hosseinzadeh R" first="Reza" last="Hosseinzadeh">Reza Hosseinzadeh</name><name sortKey="Moosavi Movahedi, Ali Akbar" sort="Moosavi Movahedi, Ali Akbar" uniqKey="Moosavi Movahedi A" first="Ali Akbar" last="Moosavi Movahedi">Ali Akbar Moosavi Movahedi</name><name sortKey="Moosavi Movahedi, Ali Akbar" sort="Moosavi Movahedi, Ali Akbar" uniqKey="Moosavi Movahedi A" first="Ali Akbar" last="Moosavi Movahedi">Ali Akbar Moosavi Movahedi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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